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Finding the Fourth Proportional to 57,857.68, 79,853.44 and 33,672.72

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Solution

The fourth proportional to 57,857.68, 79,853.44 and 33,672.72 is: 46,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,857.68 : 79,853.44 = 33,672.72 : x
  2. Step 2: Convert to fraction form
    57,857.68/79,853.44 = 33,672.72/x
  3. Step 3: Cross multiply
    57,857.68x = 79,853.44 × 33,672.72
  4. Step 4: Simplify right side
    57,857.68x = 2,688,882,526.16
  5. Step 5: Solve for x
    x = 2,688,882,526.16/57,857.68
  6. Step 6: Final answer
    x = 46,474.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.